Ulipristal acetate. An emergency contraceptive?
نویسندگان
چکیده
منابع مشابه
Ulipristal acetate emergency contraception.
I read with interest the letter by Webb et al. about the pitfalls of adapting the Clinical Effectiveness Unit’s guidance on emergency contraception (EC). Their letter discusses, in relation to maximising the pharmacodynamic attributes of ulipristal acetate (UA), the significant inaccuracies inherent in the calculation of the timing of ovulation based on the menstrual history. However, we freque...
متن کاملImmunopharmacology of ulipristal as an emergency contraceptive
A new progesterone antagonist, ulipristal has been made available as an emergency contraceptive. Ulipristal's major mechanism of action as an emergency contraceptive has been ascribed to its ability to delay ovulation beyond the life span of the sperm. This paper analyzes the potential action of ulipristal (1) when unprotected intercourse and administration of ulipristal occur outside the ferti...
متن کاملUlipristal acetate in emergency contraception.
Despite the widespread availability of highly effective methods of contraception, unintended pregnancy is common. Unplanned pregnancies have been linked to a range of health, social and economic consequences. Emergency contraception reduces risk of pregnancy after unprotected intercourse, and represents an opportunity to decrease number of unplanned pregnancies and abortions. Emergency contrace...
متن کاملEmergency contraception: potential role of ulipristal acetate
Unintended pregnancy is a global reproductive health problem. Emergency contraception (EC) provides women with a safe means of preventing unwanted pregnancies after having unprotected intercourse. While 1.5 mg of levonorgestrel (LNG) as a single dose or in 2 doses with 12 hours apart is the currently gold standard EC regimen, a single dose of 30 mg ulipristal acetate (UPA) has recently been pro...
متن کاملUlipristal Acetate (ella)
INTRODUCTION In the U.S., it is estimated that onehalf of the six million pregnancies that occur each year are unplanned or un expected.1 Despite the widespread of use of various contraceptive methods, including hormonal contraceptive tablets and condoms, these methods remain imperfect. Inadequate contraceptive use or failure of a contraceptive method, in addition to unprotected sexual intercou...
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ژورنال
عنوان ژورنال: Medicina e Morale
سال: 2011
ISSN: 2282-5940,0025-7834
DOI: 10.4081/mem.2011.170